Published October 6, 2023 | Version v1
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SPECTROSCOPIC CHARACTERIZATION OF SCHIFF BASE METAL (II) COMPLEXES DERIVED FROM 2-HYDROXYBENZALDEHYDE AND 1,8-DIAMINONAPHTHALENE

Authors/Creators

  • 1. Department of Pure and Applied Chemistry, Faculty of Science, University of Maiduguri, Borno State, Nigeria
  • 2. Department of Chemistry, Faculty of Science, Borno State University, Maiduguri. Borno State, Nigeria.

Description

ABSTRACT

Schiff base ligand (HL) derived from 2-hydroxybenzaldehyde with 1,8 diaminonaphthalene was synthesized and characterized by elemental analysis, melting point and IR. The elemental analysis revealed a 1:2 molar ratio (amine: aldehyde) for the ligand. IR spectra showed the azomethine (>C=N) bond at around 1624 cm-1 in the ligand. The Schiff base (HL) is coordinated with Hg(II), Pb(II), and Cd(II) to form the corresponding metal complexes. These complexes were characterized by elemental analysis, melting point, solubility, conductivity, Infra-Red, and electronic spectra. The purity and composition of both the Schiff base and the metal complexes were established by elemental analysis. The complexes showed various colours ranging from brown to dark brown and grey.

Keywords: Spectroscopy; Complexes; 2-hydroxybenzaldehyde; 1,8-diaminonaphthalene 

 

                                                                                                                                        

 

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Journal article: https://jsrunimaid.com/index.php/jsr/article/view/10 (URL)